Easy to assemble – no tools required. Also stands steady on an uneven floor since the feet can be adjusted. http://www.ikea.com/gb/en/images/products/omar-shelf-section__55258_PE160269_S4.JPGOMAR 1 shelf sectionhttp://www.ikea.com/gb/en/catalog/products/S69829083/698.290.83IKEA£58